is there jumpstart terminals on my car other than the batery if so where are the on 2000 Cadillac DeVille

my batery was doing fine until i started riding my motercycle and my car sat 4 about three months i want to jump it but i dont know how to get to the batery under the back seat.

Asked by for the 2000 Cadillac DeVille
battery is under passenger seat. to jump under the can. looking at front of engine compartment...left side there is a red + terminal cover. attach red + here. From the red + just to the right about 10" and back about 6 inches is a metal tab coming up from the engine. The Tab is 3/4 wide and about 2" high, slightly black or dark grey. This is the negative terminal attached to the engine.
1 more answer
a jump start point in the engine bay under a red cap with a (+) symbol on it, the negative goes to any metal part of the frame or engine (that does not move when the engine is running)